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https://github.com/RGBCube/uutils-coreutils
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f187a5ccff
Rust nightly recently [started] issuing the following warning when compiling coreutils: [started]: https://github.com/rust-lang/rust/pull/109944 ``` warning: getting the inner pointer of a temporary `CString` --> src/uucore/src/lib/features/entries.rs:324:67 | 324 | let data = $fnam(CString::new(k).unwrap().as_ptr()); | ------------------------ ^^^^^^ this pointer will be invalid | | | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime ... 340 | f!(getpwnam, getpwuid, uid_t, Passwd); | ------------------------------------- in this macro invocation | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned = help: for more information, see https://doc.rust-lang.org/reference/destructors.html = note: `#[warn(temporary_cstring_as_ptr)]` on by default = note: this warning originates in the macro `f` (in Nightly builds, run with -Z macro-backtrace for more info) ``` There doesn't seem to be an actual problem in this case, as the pointer is only used within the statement. |
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